Unlocking the Secrets of the German SZ42 Cipher Machine π΅οΈββοΈ
Discover how the Lorenz SZ42, a WWII German cipher machine, was used for encrypted communications and the cryptanalysis techniques behind breaking its code. Dive into the history and mechanics of this fascinating cryptographic device!

Cryptography for Everybody
3.6K views β’ Sep 6, 2023

About this video
#cryptology, #cryptography, #cryptanalysis
In this video, I explain the Lorenz SZ42, a ciphermachine used by the Germans during WWII. It was used for encryption of high-level communications beginning in mid 1942. The machine encrypts Baudot code using a pseudo-random generated keystream.
In the video, I explain how the cipher machine works and we analyze its keyspace size and unicity distance. We also create a workspace in CrypTool 2 to encrypt and decrypt text using the new SZ42 component.
If you are interested in learning the fundaments of cryptology, let me invite you to have a look at our video series about the basics of cryptology, also for beginners: https://youtu.be/jbumW7Ym03o
You can download the latest version of CrypTool 2 from here: https://www.cryptool.org/en/ct2/downloads
Visit my blog: https://www.kopaldev.de
Join Discord server: https://discord.gg/8JeTZd8EpT
Like what I do π? Help fuel my crypto obsession π β buy me a coffee hereββ thx: https://buymeacoffee.com/cryptographyforeverybody
In this video, I explain the Lorenz SZ42, a ciphermachine used by the Germans during WWII. It was used for encryption of high-level communications beginning in mid 1942. The machine encrypts Baudot code using a pseudo-random generated keystream.
In the video, I explain how the cipher machine works and we analyze its keyspace size and unicity distance. We also create a workspace in CrypTool 2 to encrypt and decrypt text using the new SZ42 component.
If you are interested in learning the fundaments of cryptology, let me invite you to have a look at our video series about the basics of cryptology, also for beginners: https://youtu.be/jbumW7Ym03o
You can download the latest version of CrypTool 2 from here: https://www.cryptool.org/en/ct2/downloads
Visit my blog: https://www.kopaldev.de
Join Discord server: https://discord.gg/8JeTZd8EpT
Like what I do π? Help fuel my crypto obsession π β buy me a coffee hereββ thx: https://buymeacoffee.com/cryptographyforeverybody
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Video Information
Views
3.6K
Likes
83
Duration
32:13
Published
Sep 6, 2023
User Reviews
4.6
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